package com.blacktea.cloudgateway.config;

import cn.hutool.core.date.DateUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

/**
 * @description:
 * @author: black tea
 * @date: 2021/8/5 14:15
 */
@Component
@Slf4j
public class MyGateWayFilter implements GlobalFilter, Ordered {

    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
        log.info("*********come in MyLogGateWayFilter: "+ DateUtil.now());
        String uname = exchange.getRequest().getQueryParams().getFirst("uname");
        if(uname == null){
            log.info("*****用户名为Null 非法用户,(┬＿┬)");
            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);//给人家一个回应
            return exchange.getResponse().setComplete();
        }
        return chain.filter(exchange);
    }

    @Override
    public int getOrder() {
        return 99;
    }
}
